90.93 Standard confirmed Apr 18, 2024
CEN
CEN/TC 133 Copper and copper alloys
European Norm
77.120.30 Copper and copper alloys
This European Standard specifies an electrolytic method for the determination of the copper content of unalloyed copper materials with a copper content higher than 99,80 % (mass fraction) in the form of castings, wrought and unwrought products.
Silver, if present, is co-deposited and is reported as copper. Approximately one-half of any selenium and tellurium present will co-deposit. Bismuth, if present, also interferes.
PUBLISHED
EN 16117-2:2012
90.93
Standard confirmed
Apr 18, 2024